* {
    margin: 0;
    padding: 0;
    position: absolute;
}
body, html {
    background-image: url(https://api.yimian.xyz/img?type=moe&size=1920x1080);
    background-repeat: no-repeat;
    height: 100%;
    width: 100%;
}
#back {
    background: linear-gradient(to right, rgba(239, 239, 239, 0.2) 10%, rgba(239, 239, 239, 0.8) 20%, rgba(239, 239, 239, 0.8) 80%, rgba(239, 239, 239, 0.2) 90%);
    height: 100%;
    width: 100%;
}
h1 {
    text-border: 2px solid #000;
    opacity: 0.5;
}
